diff options
author | Arnd Bergmann <arnd@arndb.de> | 2012-03-21 10:27:34 -0400 |
---|---|---|
committer | Arnd Bergmann <arnd@arndb.de> | 2012-03-21 10:27:34 -0400 |
commit | 2cbe23e3a432e3d09a849adb197c8fcc09e7391d (patch) | |
tree | 711fe5845c4c7e7eaf8c57a597d86c0f9dda5b06 /arch/arm/mach-msm | |
parent | b2f1df8d2fc14bf7e6d9d967043d4b60c2efd8dc (diff) | |
parent | ed1b4acc43b0c3289faa30cf184f322ab70a5be3 (diff) |
Merge branch 'tegra/cleanups' into next/timer
Conflicts:
arch/arm/mach-tegra/Makefile
arch/arm/mach-vexpress/core.h
The tegra Makefile was changed in four different branches
in the same line. This merge should reduce the amount
of churn.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-msm')
-rw-r--r-- | arch/arm/mach-msm/idle.S | 36 | ||||
-rw-r--r-- | arch/arm/mach-msm/idle.c | 49 | ||||
-rw-r--r-- | arch/arm/mach-msm/include/mach/entry-macro.S | 6 | ||||
-rw-r--r-- | arch/arm/mach-msm/include/mach/system.h | 1 |
4 files changed, 49 insertions, 43 deletions
diff --git a/arch/arm/mach-msm/idle.S b/arch/arm/mach-msm/idle.S deleted file mode 100644 index 6a94f052713..00000000000 --- a/arch/arm/mach-msm/idle.S +++ /dev/null | |||
@@ -1,36 +0,0 @@ | |||
1 | /* arch/arm/mach-msm/include/mach/idle.S | ||
2 | * | ||
3 | * Idle processing for MSM7K - work around bugs with SWFI. | ||
4 | * | ||
5 | * Copyright (c) 2007 QUALCOMM Incorporated. | ||
6 | * Copyright (C) 2007 Google, Inc. | ||
7 | * | ||
8 | * This software is licensed under the terms of the GNU General Public | ||
9 | * License version 2, as published by the Free Software Foundation, and | ||
10 | * may be copied, distributed, and modified under those terms. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | */ | ||
18 | |||
19 | #include <linux/linkage.h> | ||
20 | #include <asm/assembler.h> | ||
21 | |||
22 | ENTRY(arch_idle) | ||
23 | #ifdef CONFIG_MSM7X00A_IDLE | ||
24 | mrc p15, 0, r1, c1, c0, 0 /* read current CR */ | ||
25 | bic r0, r1, #(1 << 2) /* clear dcache bit */ | ||
26 | bic r0, r0, #(1 << 12) /* clear icache bit */ | ||
27 | mcr p15, 0, r0, c1, c0, 0 /* disable d/i cache */ | ||
28 | |||
29 | mov r0, #0 /* prepare wfi value */ | ||
30 | mcr p15, 0, r0, c7, c10, 0 /* flush the cache */ | ||
31 | mcr p15, 0, r0, c7, c10, 4 /* memory barrier */ | ||
32 | mcr p15, 0, r0, c7, c0, 4 /* wait for interrupt */ | ||
33 | |||
34 | mcr p15, 0, r1, c1, c0, 0 /* restore d/i cache */ | ||
35 | #endif | ||
36 | mov pc, lr | ||
diff --git a/arch/arm/mach-msm/idle.c b/arch/arm/mach-msm/idle.c new file mode 100644 index 00000000000..0c9e13c6574 --- /dev/null +++ b/arch/arm/mach-msm/idle.c | |||
@@ -0,0 +1,49 @@ | |||
1 | /* arch/arm/mach-msm/idle.c | ||
2 | * | ||
3 | * Idle processing for MSM7K - work around bugs with SWFI. | ||
4 | * | ||
5 | * Copyright (c) 2007 QUALCOMM Incorporated. | ||
6 | * Copyright (C) 2007 Google, Inc. | ||
7 | * | ||
8 | * This software is licensed under the terms of the GNU General Public | ||
9 | * License version 2, as published by the Free Software Foundation, and | ||
10 | * may be copied, distributed, and modified under those terms. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | */ | ||
18 | |||
19 | #include <linux/init.h> | ||
20 | #include <asm/system.h> | ||
21 | |||
22 | static void msm_idle(void) | ||
23 | { | ||
24 | #ifdef CONFIG_MSM7X00A_IDLE | ||
25 | asm volatile ( | ||
26 | |||
27 | "mrc p15, 0, r1, c1, c0, 0 /* read current CR */ \n\t" | ||
28 | "bic r0, r1, #(1 << 2) /* clear dcache bit */ \n\t" | ||
29 | "bic r0, r0, #(1 << 12) /* clear icache bit */ \n\t" | ||
30 | "mcr p15, 0, r0, c1, c0, 0 /* disable d/i cache */ \n\t" | ||
31 | |||
32 | "mov r0, #0 /* prepare wfi value */ \n\t" | ||
33 | "mcr p15, 0, r0, c7, c10, 0 /* flush the cache */ \n\t" | ||
34 | "mcr p15, 0, r0, c7, c10, 4 /* memory barrier */ \n\t" | ||
35 | "mcr p15, 0, r0, c7, c0, 4 /* wait for interrupt */ \n\t" | ||
36 | |||
37 | "mcr p15, 0, r1, c1, c0, 0 /* restore d/i cache */ \n\t" | ||
38 | |||
39 | : : : "r0","r1" ); | ||
40 | #endif | ||
41 | } | ||
42 | |||
43 | static int __init msm_idle_init(void) | ||
44 | { | ||
45 | arm_pm_idle = msm_idle; | ||
46 | return 0; | ||
47 | } | ||
48 | |||
49 | arch_initcall(msm_idle_init); | ||
diff --git a/arch/arm/mach-msm/include/mach/entry-macro.S b/arch/arm/mach-msm/include/mach/entry-macro.S index 41f7003ef34..f2ae9087f65 100644 --- a/arch/arm/mach-msm/include/mach/entry-macro.S +++ b/arch/arm/mach-msm/include/mach/entry-macro.S | |||
@@ -16,12 +16,6 @@ | |||
16 | * | 16 | * |
17 | */ | 17 | */ |
18 | 18 | ||
19 | .macro disable_fiq | ||
20 | .endm | ||
21 | |||
22 | .macro arch_ret_to_user, tmp1, tmp2 | ||
23 | .endm | ||
24 | |||
25 | #if !defined(CONFIG_ARM_GIC) | 19 | #if !defined(CONFIG_ARM_GIC) |
26 | #include <mach/msm_iomap.h> | 20 | #include <mach/msm_iomap.h> |
27 | 21 | ||
diff --git a/arch/arm/mach-msm/include/mach/system.h b/arch/arm/mach-msm/include/mach/system.h index 311db2b35da..f5fb2ec87ff 100644 --- a/arch/arm/mach-msm/include/mach/system.h +++ b/arch/arm/mach-msm/include/mach/system.h | |||
@@ -12,7 +12,6 @@ | |||
12 | * GNU General Public License for more details. | 12 | * GNU General Public License for more details. |
13 | * | 13 | * |
14 | */ | 14 | */ |
15 | void arch_idle(void); | ||
16 | 15 | ||
17 | /* low level hardware reset hook -- for example, hitting the | 16 | /* low level hardware reset hook -- for example, hitting the |
18 | * PSHOLD line on the PMIC to hard reset the system | 17 | * PSHOLD line on the PMIC to hard reset the system |